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New Product Feature | Belgium power market now supported

Florian Heise
July 16, 2025
2 min

Re-Twin Energy now supports investment case modeling and market analysis for the Belgian power market. This expansion empowers energy storage developers, investors, and operators to explore the commercial potential of battery energy storage systems (BESS) in Belgium using localized market data and project-specific modeling tools.

With this release, users can now assess BESS opportunities:

  • Ancillary services: The aFRR market continues to be a strong revenue stream, driven by both reservation and activation payments.
  • Intraday price spreads: Belgium shows consistent spreads of €80–120/MWh, offering robust arbitrage opportunities for flexible assets.
  • Renewable expansion: Despite the extension of nuclear capacity, Belgium is increasing its share of renewables, making storage critical to maintain grid stability and manage variability.

Market data access

Belgian market data is now integrated into our platform, including:

  • Day-ahead and intraday prices
  • Renewable generation
  • aFRR capacity and activation signals

All datasets are cleaned, structured, and ready for use in your business case development.

Project-specific BESS modeling

The platform supports Belgian-specific project analysis, including:

  • Site-specific revenue estimation
  • Scenario stress testing

Whether you're evaluating a new project or assessing an existing one, our platform enables you to build transparent, data-driven business cases based on real Belgian market conditions.

Explore the new functionality: https://app.re-twin.energy

Acerca del autor

Florian Heise
Florian Heise

Florian Heise is an energy-industry specialist with experience in consulting, logistics tech, and green-hydrogen development. As former head of strategic projects, he researched BESS and energy-storage markets across Germany and the EU. Today, he uses that knowledge as co-founder of Re-Twin Energy. Florian holds a Master’s in Finance & Accounting from Freie Universität Berlin and has even run a small coffee-import venture.

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